Bibler, Big Wall Bivy by Bibler All Lightweight Shelters >>> Lightweight Shelters by Bibler More details and ordering info. Made of exclusive ToddTex material, this bivy is super light. The hoop is a Delrin rod sewn into the sack so there's nothing to set up and no parts to lose. All the seams are seam-taped. At 26 oz, this durable, stormproof shelter is ideal insurance for unplanned overnighters -- for climbers, bikers, and other lightweight fanatics. Features: 1 person 4 season bivy shelter.. Single wall construction.. ToddTex waterproof-breathable laminate.. Integrated Spectra Tie-in loop for attaching to an anchor. . Specifications: Weight 26 oz. . User input on Big Wall Bivy by Bibler by Bibler: Be the first to submit input on this product Submit Input: Your Name: Write or Paste Input here: Upload picture:      Review Guidelines